THE early part of this book is devoted to a discussion on the principles underlying transition curves. The objects of a transition curve on a railway are to provide a gradual increase in curvature ...

THAT spiral curves, or, more strictly, helices, and screw motions should play an important part both in the natural world and in structures constructed by human hands is a fact for which a ...

Hunter Kirkland Contemporary (200 Canyon Road) presents Spiral Curve, an exhibit of T Barny’s sculptures and Laura Wait’s mixed-media work. Barny sculpts graceful curvilinear strips in bronze and ...

The theory that gravitons lose energy thru gravitational redshift while traveling against the force of a gravitational field ...